Added a lot more commenting to the outbound call example.
Added a lot more commenting to the outbound call example.

dateutli/hackdfw,dateutli/hackdfw,ulimartinez/hackdfw,ulimartinez/hackdfw,ulimartinez/hackdfw,dateutli/hackdfw,tropo/tropo-webapi-php,dateutli/hackdfw,ulimartinez/hackdfw